FOR SCREW TYPE AND THROWAWAY HOLDERS
The STD rupture disc is a solid metal, prebulged differential pressure relief device that provides instantaneous full opening within milliseconds of an overpressure situation. Use it to protect equipment, vessels, and systems from overpressure conditions.
The STD is ideal for static, pulsating, or cyclic operation conditions but requires a vacuum support to withstand vacuum.
Like the 30° seat STD rupture disc, the 1/2″ and 11/16″ flat seat STD rupture disc is recommended for operating pressures up to 70% of the rupture disc’s rated burst pressure.
Available sizes: 1/2″ or 11/16″
Seating configuration: Flat seat
Burst pressure range: 3-15,000 psig (0,207-1035 barg)
Table 4 – Maximum/Minimum Burst Pressures for Standard Rupture Discs at
72˚ F (22˚ C).
Table 2A – Burst Tolerance and Maximum Recommended Operating
Available materials: Aluminum, nickel, alloy 400, 316SS, alloy 600
Operating temperature: Up to 1,000°F (538° C)
Dependent on construction materials – see Table 3, Maximum Temperature
for Rupture Disc Materials, Liners, and Coatings.
Service: Gas or liquid
Manufacturing range: See table 2, Manufacturing Ranges
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